(...) I've considered using empty air tanks from pneumatic LEGO sets as sort of 'pontoons'... my one quick test of this so far was too top-heavy (I only have three air tanks), but it seems like it should work, as long as the floats are far enough (...) (25 years ago, 14-Jun-99, to lugnet.robotics)
From: Erik Eckhardt <esquared@antispam.jps.net> (...) When I was a kid Lego boats came with a large keel piece which was quite heavy (filled with iron or lead?) and effective at putting the CoG below the water line. I don't know if the current boats (...) (25 years ago, 14-Jun-99, to lugnet.robotics)
